Homepage: http://picasa.google.com
Today, I am going to upload my pictures from last party, I suddenly remember a such powerful and great image management: Picasa from Google. Actually, I love Google products because of their simple characteristics. Picasa application can run cross-platform on Linux and Windows OS as well. In Windows, it use this one also.
Now Picasa 3 comes with new features:
Improved integration with Picasa Web Albums
- You can sync your Picasa 3 and Web Albums edits, change your online album settings from Picasa, and delete online albums from Picasa.
- Better uploading with the upload Drop-box and bandwidth throttling.
- New Retouch tool to remove unsightly blemishes and improve photo quality.
- Improved Collage tool lets you have total artistic control over your collage content and layout.
- Auto red-eye: same results, less work for you.
- Easily add text or watermarks to your photos.
There are 2 ways to install Picasa on Ubuntu: download .deb file or using reposities.
Download .deb file
By going to download page: http://picasa.google.com/linux/download.html you can download the latest version and install by clicking on the .deb file
Download .deb file:
http://dl.google.com/linux/deb/pool/non-free/p/picasa/picasa_3.0-current_i386.deb
Open terminal and install .deb or simply click on the .deb file:
sudo dpkg -i picasa_3.0-current_i386.deb
Command line configuration for APT
I like this wa because I will not care about newer version or not. Ubuntu will notice automatically 
On an APT-based system (Debian, Ubuntu, etc.), you must download the key and then use apt to install it and refresh your package indexes.
For more information on Google’s package signing key, see the Signing Key page.
Run these commands as root:
wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - apt-get update
Recent versions of apt-get will automatically attempt to verify packages on download. If an appropriate key is not found or if the package is corrupted, you will get a message like the following:
WARNING: The following packages cannot be authenticated!
packagename
Add the following rule to e.g. /etc/apt/sources.list, or if your distro has the /etc/apt/sources.list.d/ directory, add it to a file called google.list in that directory:
# Google software repository
deb http://dl.google.com/linux/deb/ stable non-free
then use apt as usual, e.g.
sudo apt-get update sudo apt-get install picasa
I hope you love Picasa like me